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https://gitlab.winehq.org/wine/wine-gecko.git
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102 lines
3.8 KiB
HTML
102 lines
3.8 KiB
HTML
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<!--
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Copyright (c) 2009 The Chromium Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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-->
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>WebGL drawElements Test</title>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/js-test-pre.js"></script>
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<script src="resources/webgl-test.js"> </script>
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<script src="../resources/desktop-gl-constants.js" type="text/javascript"></script>
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</head>
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<body>
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<canvas id="example" width="50" height="50"></canvas>
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<div id="description"></div>
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<div id="console"></div>
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<script id="vshader" type="x-shader/x-vertex">
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attribute vec4 vPosition;
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void main()
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{
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gl_Position = vPosition;
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}
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</script>
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<script id="fshader" type="x-shader/x-fragment">
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void main()
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{
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gl_FragColor = vec4(1.0,0.0,0.0,1.0);
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}
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</script>
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<script>
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function init()
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{
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if (window.layoutTestController) {
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layoutTestController.overridePreference("WebKitWebGLEnabled", "1");
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layoutTestController.dumpAsText();
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}
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function checkDrawElements(mode, count, type, expect, msg) {
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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gl.drawElements(mode, count, type, 0);
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assertMsg(gl.getError() == expect, msg);
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}
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gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ARRAY_BUFFER, new WebGLFloatArray([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);
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gl.enableVertexAttribArray(0);
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gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new WebGLUnsignedShortArray([ 0, 1, 2]), gl.STATIC_DRAW);
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checkDrawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT,
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gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_SHORT");
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new WebGLUnsignedByteArray([ 0, 1, 2, 0]), gl.STATIC_DRAW);
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checkDrawElements(
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gl.TRIANGLES, 3, gl.UNSIGNED_BYTE,
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gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_BYTE");
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checkDrawElements(
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desktopGL['QUAD_STRIP'], 4, gl.UNSIGNED_BYTE,
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gl.INVALID_ENUM, "gl.DrawElements with QUAD_STRIP should return INVALID_ENUM");
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checkDrawElements(
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desktopGL['QUADS'], 4, gl.UNSIGNED_BYTE,
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gl.INVALID_ENUM, "gl.DrawElements with QUADS should return INVALID_ENUM");
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checkDrawElements(
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desktopGL['POLYGON'], 4, gl.UNSIGNED_BYTE,
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gl.INVALID_ENUM, "gl.DrawElements with POLYGON should return INVALID_ENUM");
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new WebGLUnsignedIntArray([ 0, 1, 2]), gl.STATIC_DRAW);
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checkDrawElements(
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gl.TRIANGLES, 3, gl.UNSIGNED_INT,
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gl.INVALID_ENUM, "gl.DrawElements should return INVALID_ENUM with UNSIGNED_INT");
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}
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init();
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successfullyParsed = true;
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</script>
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</body>
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<script src="../resources/js-test-post.js"></script>
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<script>
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</script>
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</body>
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</html>
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